Lamp



FIG. 1 is a front perspective view of the lamp showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a side view, opposite the side shown in FIG. 3, thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view of thereof.

The broken line showing of environmental structure in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a lamp, as shown and described. 